Seiko Cal. 5691 - 631

The Seiko 5691-631 represents an important milestone in Seiko's 1994 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-a88090508faf]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Burgundy

Jewels

31j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1994

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